Ok, I finally had a chance to work on this some more and have pushed the changes to github. Decompression now works for Algorithms 1,2 (RFC 1951, 1952) -- ZIP / ZLIB.
I'm not entirely happy with how the ZLIB decompression works. I basically read the RFC, and have forced the data to be read through the ZIP/RFC 1951, as this is how it appears most of these messages are. I found little from existing JS libraries that deal directly with RFC 1950. I believe the biggest change that needs to be made to the ZLIB decompression is the checking of the ADLER 32 checksum, which I didn't get a chance to do. Anyway, the library is a little bigger now as I added the inflate from zip.js (the LICENSE info is intact in the file); but also more capable. In the Mymail-Crypt for Gmail plugin, people were having issues receiving messages from other clients, so I think this is a pretty useful feature to have. Sean On Mon, Apr 23, 2012 at 11:04 PM, Sean Colyer <[email protected]> wrote: > Not sure if anyone else was looking at this, but I think I've got ZIP (RFC > 1951) working based on the zip.js project. It might also do RFC 1950 or > ZLIB as well, I'll have to check. I'll try to push the code to github > tomorrow. > > Sean > > > On Tue, Apr 17, 2012 at 5:06 AM, Alex (via OpenPGP.js) <[email protected] > > wrote: > >> Dear Sean, >> >> forwarding it to the list since I think GitHub only sends notifications >> to me. >> >> Best regards, Alex >> >> Begin forwarded message: >> >> > From: Sean Colyer < >> reply+i-3780616-506cb2d54b1060b01187f69ddf1beb7f1b3b22fe-307...@reply.github.com >> > >> > Subject: Re: [openpgpjs] Missing compression (zlib is default) (#38) >> > Date: 17. April 2012 06:20:37 MESZ >> > To: Alex <[email protected]> >> > >> > Has anyone taken a crack at this yet? >> > >> > I'm running into an issue where users are unable to receive mail from >> many clients, and the issue seems to be that they are using compression >> (Algo 1-- ZIP). RFC 4880 advises we should at least be able to decrypt to >> avoid this situation. >> > >> > I'm looking at incorporating the deflate from: >> https://github.com/gildas-lormeau/zip.js . Does anyone else have any >> thoughts on this or looked at integrating it? >> > >> > --- >> > Reply to this email directly or view it on GitHub: >> > https://github.com/openpgpjs/openpgpjs/issues/38#issuecomment-5168092 >> >> _______________________________________________ >> >> http://openpgpjs.org >> > >
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